Home / 611,869,876.73-917,803,668.06-191,723,414.82

Finding the Fourth Proportional to 611,869,876.73, 917,803,668.06 and 191,723,414.82

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Solution

The fourth proportional to 611,869,876.73, 917,803,668.06 and 191,723,414.82 is: 287,584,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,869,876.73 : 917,803,668.06 = 191,723,414.82 : x
  2. Step 2: Convert to fraction form
    611,869,876.73/917,803,668.06 = 191,723,414.82/x
  3. Step 3: Cross multiply
    611,869,876.73x = 917,803,668.06 × 191,723,414.82
  4. Step 4: Simplify right side
    611,869,876.73x = 175,964,453,374,784,960
  5. Step 5: Solve for x
    x = 175,964,453,374,784,960/611,869,876.73
  6. Step 6: Final answer
    x = 287,584,762.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.